libpolicy

libpolicy - Policy engine for access control. PolicyIndex stores and evaluates authorization policies. createPolicyIndex factory loads policies from storage. Planned OPA-WASM integration for complex policy evaluation. Use for access control, authorization decisions, and resource permissions.

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/libpolicy

SKILL.md

libpolicy Skill

When to Use

Implementing access control for resources
Evaluating authorization policies
Managing permissions in multi-tenant systems
Building role-based access control (RBAC)

Key Concepts

PolicyIndex: Stores policies and evaluates access requests against them.

Policy evaluation: Determines if an actor can perform an action on a resource based on defined policies.

Usage Patterns

Pattern 1: Evaluate access

javascript

import { createPolicyIndex } from "@copilot-ld/libpolicy";

const index = await createPolicyIndex(storage);
const allowed = await index.evaluate({
  actor: "user:123",
  resource: "document:456",
  action: "read",
});

Pattern 2: Load policies